I don't think it's justified.
The southern states had as many chances as the north and northeast states in creating the industrialized urban areas, especially doring the reconstruction period.
But they chose to stay witht heir old ideology and resist the change. and each years the economic gap between the states becoming larger and larger.
They just do it trust me.
Answer: To make sure the power is balanced
Explanation: Separation of powers is a fundamental principle of the United States Federal Government in which each distinct branch, the legislative, executive and judicial, can check and balance the other to prevent the concentration of power.